Merge pull request #13 from jacqueskang/bugfix-guid-conversion

support guid type

Author: jacqueskang

src/IpcServiceSample.ConsoleClient/Program.cs

@@ -44,6 +44,10 @@ private static async Task MainAsync(string[] args)
                 // test 5: call IPC service method with enum parameter
                 string text = await client.InvokeAsync(x => x.ConvertText("hEllO woRd!", TextStyle.Upper));
                 Console.WriteLine(text);
+
+                // test 6: call IPC service method returning GUID
+                Guid generatedId = await client.InvokeAsync(x => x.GenerateId());
+                Console.WriteLine($"generated ID is: {generatedId}");
             }
             catch (Exception ex)
             {

src/IpcServiceSample.ConsoleServer/ComputingService.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Globalization;
 using IpcServiceSample.ServiceContracts;
 using Microsoft.Extensions.Logging;
@@ -52,5 +53,10 @@ public string ConvertText(string text, TextStyle style)
 
         public void DoNothing()
         { }
+
+        public Guid GenerateId()
+        {
+            return Guid.NewGuid();
+        }
     }
 }

src/IpcServiceSample.ServiceContracts/IComputingService.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace IpcServiceSample.ServiceContracts
 {
@@ -9,6 +10,7 @@ public interface IComputingService
         ComplexNumber AddComplexNumbers(IEnumerable<ComplexNumber> numbers);
         void DoNothing();
         string ConvertText(string text, TextStyle style);
+        Guid GenerateId();
     }
 
     public class ComplexNumber

src/JKang.IpcServiceFramework.Core.Tests/DefaultValueConverterTest.cs

@@ -164,6 +164,18 @@ public void TryConvert_Int32ToEnum()
             Assert.AreEqual(expected, actual);
         }
 
+        [TestMethod]
+        public void TryConvert_StringToGuid()
+        {
+            var expected = Guid.NewGuid();
+
+            bool succeed = _sut.TryConvert(expected.ToString(), typeof(Guid), out object actual);
+
+            Assert.IsTrue(succeed);
+            Assert.IsInstanceOfType(actual, typeof(Guid));
+            Assert.AreEqual(expected, actual);
+        }
+
         interface IComplexType
         {
             int Int32Value { get; }

src/JKang.IpcServiceFramework.Core/Services/DefaultValueConverter.cs

@@ -38,6 +38,15 @@ public bool TryConvert(object origValue, Type destType, out object destValue)
                 }
             }
 
+            if (origValue is string str2 && destType == typeof(Guid))
+            {
+                if (Guid.TryParse(str2, out Guid result))
+                {
+                    destValue = result;
+                    return true;
+                }
+            }
+
             if (origValue is JObject jObj)
             {
                 // rely on JSON.Net to convert complexe type